import java.util.Scanner;

public class AG10 {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int count = scan.nextInt();
		
		int[] tmp = new int[count];
		int center = count / 2 * 2;
		for (int t = count / 2; t < count; t++) {
			tmp[t] = center;
			tmp[count - t - 1] = center;
			center += 2;
		}

		for (int i = 0; i < tmp.length; i++)
			System.out.println(tmp[i]);
//		}
		scan.close();
	}
}
